7478449396 has 24 divisors (see below), whose sum is σ = 15116867136. Its totient is φ = 3199336320.

The previous prime is 7478449387. The next prime is 7478449403. The reversal of 7478449396 is 6939448747.

It is a super-3 number, since 3×7478449396³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4998216 + ... + 4999711.

It is an arithmetic number, because the mean of its divisors is an integer number (629869464).

Almost surely, 2^7478449396 is an apocalyptic number.

It is an amenable number.

7478449396 is an abundant number, since it is smaller than the sum of its proper divisors (7638417740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7478449396 is a wasteful number, since it uses less digits than its factorization.

7478449396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9997959 (or 9997957 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 61.

The square root of 7478449396 is about 86478.0284002821. The cubic root of 7478449396 is about 1955.5571828217.

The spelling of 7478449396 in words is "seven billion, four hundred seventy-eight million, four hundred forty-nine thousand, three hundred ninety-six".